Getting Better at Peltier Marbles Identification

If you've ever dug through a dusty jar at an estate sale, you know that nailing down a solid Peltier marbles identification can feel like a win and a headache all at once. There's something about that specific Illinois glass that just stands out, but if you're new to the hobby, it's easy to get them mixed up with Vitro Agates or even some of the older Akro Agate patches. Peltier Glass Company, based out of Ottawa, Illinois, had a very specific way of doing things, and once you learn their "handwriting," you'll start spotting them from across the room. ...

May 10, 2026 · 7 min · Ariana Salvador